Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 18, Issue 41, Pages 13091-13096Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201201670
Keywords
amphiphiles; gels; nanostructures; self-assembly; supamolecular chemistry
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Funding
- Japan Science and Technology Agency
- CREST program
- Ministry of Education, Culture, Science, Sports, and Technology (Japan)
- Grants-in-Aid for Scientific Research [23681022] Funding Source: KAKEN
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Controlling the morphology of supramolecular nanostructures in response to external stimuli is an important challenge in the development of functional soft materials. Here we show that a morphological transformation from 2D nanosheets to a network of 1D nanofibers is triggered by heating, which induces molecular conversion of a bolaamphiphile to a hydrogelator by means of a retro-DielsAlder reaction, thereby producing a new heat-set supramolecular hydrogel. We anticipate that our design will be a starting point for more sophisticated supramolecular systems that integrate the thermodynamics of molecular assembly and the kinetics of chemical reactions to create complex supramolecular nanostructures.
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